Deflector plate for the underbody of a sports car



FIG. 1 is a front elevation view of a deflector plate for the underbody of a sports car showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a side elevation view thereof; and

FIG. 4 is a top plan view thereof. 

The ornamental design for a deflector plate for the underbody of a sports car, as shown. 